US Bridges

Mo 161 S over Indian CR

Fair

Pike County, Missouri · S 17 T 51 N R 3 W · Structure no. 1836

Built
1971
54 years old, rebuilt 1986
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
267 ft
3 main spans
Daily traffic
1,319
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 161 S over Indian CR is a steel continuous stringer/multi-beam or girder carrying Mo 161 S over Indian CR in Pike County, Missouri. It was built in 1971 and reconstructed in 1986, so it is 54 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,319 vehicles a day, roughly 19% of them trucks, projected to reach 2,044 by 2044. The structure is 267 ft (81.4 m) long and 37 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesMo 161 S
CrossesIndian CR
LocationS 17 T 51 N R 3 W
RouteState Highway 161
CountyPike County
StateMissouri
Coordinates39.19579, -91.27278
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length267 ft (81.4 m)
Longest span104 ft (31.7 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,319 (2024)
Projected traffic2,044 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 161 S over Indian CR built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1986.

What condition is Mo 161 S over Indian CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Mo 161 S over Indian CR carry?

About 1,319 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 161 S over Indian CR?

The structure is 267 ft (81.4 m) long with a longest span of 104 ft (31.7 m) and a deck 37 ft wide.

Who owns Mo 161 S over Indian CR?

It is owned by the State Highway Agency.